kylelk

/* compile osx 
 * gcc -bundle -fPIC -O3 -o popcount.dylib popcount.c
 * */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sqlite3ext.h>

SQLITE_EXTENSION_INIT1

olange

To transform the currently opened Graphviz source file (in DOT Language) into a PNG:

{
    "cmd": [ "dot", "-Tpng", "-o", "$file_base_name.png", "$file"],
    "selector": "source.dot"
}

Usage

JagoWang

Mac Port 基本用法总结 

1. Mac Port的下载地址 
http://www.macports.org/install.php 

2. Mac Port的说明文档 
http://guide.macports.org/ 

3. Mac Port中第三方软件下载包存放的默认路径是：/opt/local/var/macports/distfiles/ 
为了提高安装速度，可以在安装新port时直接将此目录下的文件拷贝到新的Mac Port相同的目录中就可以避免Port去网上下载。 

UniIsland

#!/usr/bin/env python

"""Simple HTTP Server With Upload.

This module builds on BaseHTTPServer by implementing the standard GET
and HEAD requests in a fairly straightforward manner.

"""

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD